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6 changes: 5 additions & 1 deletion cores/esp8266/core_esp8266_waveform.c
Original file line number Diff line number Diff line change
Expand Up @@ -79,7 +79,11 @@ static Waveform waveform[] = {
{0, 0, 1<<3, 0, 0, 0, 0, 0},
{0, 0, 1<<4, 0, 0, 0, 0, 0},
{0, 0, 1<<5, 0, 0, 0, 0, 0},
// GPIOS 6-11 not allowed, used for flash
// GPIOS 6-8 not allowed, used for flash
// GPIO 9 and 10 only allowed in 2-bit flash mode
{0, 0, 1<<9, 0, 0, 0, 0, 0},
{0, 0, 1<<10, 0, 0, 0, 0, 0},
// GPIO 11 not allowed, used for flash
{0, 0, 1<<12, 0, 0, 0, 0, 0},
{0, 0, 1<<13, 0, 0, 0, 0, 0},
{0, 0, 1<<14, 0, 0, 0, 0, 0},
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